Spring session-scoped beans (controllers) and references to services, in terms of serialization

Question

• a standard case - you have a controller (@Controller) with @Scope(\"session\").
• classes put in the session usually are expected to i

Answer 1

Serialization of Dynamic-Proxies works well, even between different JVMs, eg. as used for Session-Replication.

@Configuration public class SpringConfig {
@Bean 
@Scope(proxyMode = ScopedProxyMode.INTERFACES) 
MyService myService() {
    return new MyService();
}
.....

You just have to set the id of the ApplicationContext before the context is refreshed (see: org.springframework.beans.factory.support.DefaultListableBeanFactory.setSerializationId(String))

AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
// all other initialisation part ...
// before! refresh
ctx.setId("portal-lasg-appCtx-id");
// now refresh ..
ctx.refresh();
ctx.start();

Works fine on Spring-Version: 4.1.2.RELEASE